Beginner Guide for Efficient Modeling
Your question is a duplicate of:

Best practices for learning Blender

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https://www.google.com/search?client=ubuntu&amp;channel=fs&amp;q=blender+best+practices&amp;ie=utf-8&amp;oe=utf-8
https://en.wikibooks.org/wiki/Blender_3D:_Noob_to_Pro/Avoiding_Headaches_Early_On:_Good_3D_Modeling_Practices